Comparative politics and the synthetic control method revisited: a note on Abadie et al. (2015).

Recently, Abadie et al. (Am J Polit Sci 59:495-510, 2015) have expanded synthetic control methods by the so-called cross-validation technique. We find that their results are not being reproduced when alternative software packages are used or when the variables' ordering within the dataset is changed.

Poland's syndrome: a case report with review of literature regarding management.

Background: Poland's syndrome is a rare congenital anomaly described by Alfred Poland in 1897 which is characterize by partial or complete absence of the pectoralis major muscle, ipsilateral symbrachydaktylia and occasionally associated with other malformations of the anterior chest wall and breast. The incidence of Poland's syndrome is 1: 30,000 and it is more commonly seen in males.

Case Description: A 22-year-old female presented with a history of chest wall depression and a small sized left breast.